Keyserver is used for storing and distributing OpenGPG keys. The Ubuntu project also maintains its own keyserver ( http://keyserver.ubuntu.com ) for distributing public-key to users. keyserver uses HKP Keyserver protocol which listens on port 11371 Here’s how to enable the keyserver port on iptables: [bash] iptables -A OUTPUT -p tcp -d <key server ip> –dport […]
A bit of advice when starting up an e-commerce (especially storefront) site, please use proper e-commerce software for the job. Do not ‘force’ a general-purpose (CMS) to be an e-commerce site via plugins (or *cough* *cough* ‘component’), it’s gonna be a pain-in-the-ass to secure ’em. So do yourself (and the sysadmin guys) a favor, use […]
Here is the command-line you can use to conver AVI video to Animated GIF, which then can be embedded in forum or profile signature. ffmpeg -i video_original.avi gif_animation.gif Note that ffmpeg must support the video encoding of the AVI file, (usually DiVX or XviD).
Although security by obscurity is not the best policy to protect your IS assets, but it is still useful to thwarts simple network scanner or newbie crackers. Note: This tip is written for Ubuntu Linux, the steps is similar to other GNU/Linux distro, albeit with a slight variant. Hiding Apache2 version Edit /etc/apache2/apache2.conf Add these […]
*Note that I’m not a legal expert or an attorney, this is just based on my personal experience and internet search* There are people who asked me about why bother to release a piece of software or code under Open Source License instead of putting it in Public Domain. First of all it is a […]
When I was studying in the university (more than 10 years ago), I learn how to build and embed Java Applets on web pages using Java 1.0 (after that Java 1.2), the functionality is quite limited since there’s no default 3D support in Java yet. Compared to Flash (then Flash 3.0 during that time), Java […]